Where does “drumlin” come from?

drumlin (English) comes from Irish droim, from Old Irish druimm, from Proto-Celtic drosmen, from Proto-Indo-European térmn̥ — boundary, end.

drumlin (English): An elongated hill or ridge of glacial drift

Definitions

  1. An elongated hill or ridge of glacial drift

Ancestry of “drumlin”, step by step

StepLanguageWordMeaning
1Irishdroimback; ridge
2Old Irishdruimmback; ridge
3Proto-Celticdrosmen—
4Proto-Indo-Europeantérmn̥boundary, end
Every word from Proto-Indo-European térmn̥ →Every word from Proto-Celtic drosmen →Every word from Old Irish druimm →